CS4952/53

2

DS223PP2

TABLE OF CONTENTS

AC & DC PARAMETRIC SPECIFICATIONS .....................................................................4

INTRODUCTION ...............................................................................................................11

FUNCTIONAL DESCRIPTION .........................................................................................11

Video Timing Generator .........................................................................................11

Video Input Formatter .............................................................................................11

Color Subcarrier Synthesizer ..................................................................................12

Chroma Path ..........................................................................................................12

Luma Path ..............................................................................................................12

Digital to Analog Converters ...................................................................................13

Voltage Reference ..................................................................................................13

Current Reference ..................................................................................................13

Host Interface .........................................................................................................13

Closed Caption Services ........................................................................................13

Control Registers ....................................................................................................13

OPERATIONAL DESCRIPTION .......................................................................................14

Reset Hierarchy ......................................................................................................14

Video Timing ...........................................................................................................14

Slave Mode Input Interface .............................................................................14

Master Mode Input Interface ...........................................................................14

Vertical Timing .................................................................................................15

Horizontal Timing ............................................................................................15

NTSC Interlaced ..............................................................................................17

PAL Interlaced .................................................................................................17

Progressive Scan ............................................................................................19

PAL Progressive Scan ....................................................................................19

NTSC Progressive Scan .................................................................................19

CCIR-656 ................................................................................................................19

Digital Video Input Modes .......................................................................................22

Multi-standard Output Format Modes .....................................................................22

Subcarrier Generation ............................................................................................22

Subcarrier Compensation .......................................................................................22

Closed Caption Insertion ........................................................................................23

Color Bar Generator ...............................................................................................23

Interrupts ................................................................................................................24

General Purpose I/O Port .......................................................................................24

ANALOG ...........................................................................................................................24

Analog Timing .........................................................................................................24

VREF ......................................................................................................................25

ISET ........................................................................................................................25

DACs ......................................................................................................................25

Luminance DAC ..............................................................................................25

Chrominance DAC ..........................................................................................25

CVBS75 DAC ..................................................................................................26

CVBS37 DAC ..................................................................................................26

PROGRAMMING ..............................................................................................................27

Host Control Interface .............................................................................................27

I2C Interface ....................................................................................................27

8-bit Parallel Interface .....................................................................................27

Register Description ...............................................................................................28

Control Register 0 ............................................................................................28

Control Register 1 ............................................................................................29

Control Register 2 ............................................................................................30

DAC Power Down Register ..............................................................................30

Status Register.................................................................................................31

Background Color Register ..............................................................................31

GPIO Control Register .....................................................................................31

GPIO Data Register .........................................................................................32

Chroma Filter Register .....................................................................................32

Luma Filter Register .........................................................................................32

I2C Address Register .......................................................................................32

Subcarrier Amplitude Register .........................................................................33